Coppersmith is a surname. Notable people with the surname include:
Barbara Carole Coppersmith (1925–2017), birth name of American pianist Barbara Carroll Don Coppersmith (b. 1950), cryptographer and mathematician Louis Coppersmith (1928–1989), American politician Sam Coppersmith (b. 1955), former United States Congressman Susan Coppersmith (b. 1957), American physicist Yvette Coppersmith (born 1980), Australian artist
See also The equivalent surname in other languages Kupferschmied, German Bakırcı, Turkish Nahhas, Arabic